Home / 365,712,977.76-548,535,873.84-123,377,981.28

Finding the Fourth Proportional to 365,712,977.76, 548,535,873.84 and 123,377,981.28

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Solution

The fourth proportional to 365,712,977.76, 548,535,873.84 and 123,377,981.28 is: 185,055,638.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,712,977.76 : 548,535,873.84 = 123,377,981.28 : x
  2. Step 2: Convert to fraction form
    365,712,977.76/548,535,873.84 = 123,377,981.28/x
  3. Step 3: Cross multiply
    365,712,977.76x = 548,535,873.84 × 123,377,981.28
  4. Step 4: Simplify right side
    365,712,977.76x = 67,677,248,774,039,968
  5. Step 5: Solve for x
    x = 67,677,248,774,039,968/365,712,977.76
  6. Step 6: Final answer
    x = 185,055,638.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.